code: def fail_func(y, p):
      """Test for use of in-script scoring functions."""
      raise ValueError
  
file_path: mlens/mlens/ensemble/tests/test_super_learner.py
imports: import numpy
  from mlens.metrics import rmse
  from mlens.utils.exceptions import MetricWarning
  from mlens.index import FoldIndex
  from mlens.testing.dummy import Data, OLS, PREPROCESSING, ESTIMATORS, ECM
  from mlens.ensemble import SuperLearner
  import os
label_desc: Use image node_id 2 for calling a global function with example usage: fail_func(y, p) without return types